﻿.div_contain{position:absolute;left:0px;top:45%;width:100%;z-index:100;}
.div_loading{width:85px;height:81px;margin:0 auto;background:url(./qq_files/images/loading.gif)}
.div_bg{position:absolute;left:0px;top:0px;width:100%;height:100%;background:#ccc;z-index:99;filter: alpha(opacity=50);opacity: 0.5;}